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When the wireless sensor network is laid in different environments, a new algorithm should be proposed to adapt to the special environment and reduce the energy consumed by each node. In this paper, a new routing algorithm is proposed aim at the LEACH routing algorithm . The algorithm can be used in the situation of large-coverage, long distance between the nodes and the transmission of long distance. The algorithm makes full use of the distance between the node and the base station to modify the cluster threshold information. Then it can reset the cluster using the cluster competition and the node with high residual energy becomes the cluster head. At the same time, the use of multiple hops to transmit data can adapt to long distance transmission. The simulation shows that, relative to LEACH algorithm, the death time of nodes will be delayed for 300-400 rounds in this algorithm. The network live cycle extended survival period of about 400 rounds. Obviously, it reduces the network energy consumption and prolongs the network life cycle and stability. 